Heat broiler to high. Place rolls on an aluminumfoil-lined baking sheet.Advertisement
In a small pot, heat marinara sauce. Stir in meatballs and heat until warmed through.
Place 1 meatball on each roll and spoon about 2 tbsp of the sauce over each. Top with a quarter slice of provolone.
Broil sliders for about 1 minute, until cheese melts and bread is lightly browned.